IB 653 then FR 6342 at Fiumicino
Madrid → Rome → Barcelona
Timetable, Rome time
18:10IB 653 from Madrid at the gate
15:30FR 6342 to Barcelona leaves the gate
21 h 20 apart on the timetable, overnight
FR 6342 leaves 21 h 20 after IB 653 arrives on the timetable: more than half a day, so not a connection we count.